/*
 * 通用
 */

/* 链接 */
a,
a:focus,
a:hover {
    color: black;
}

/*字体*/
.cover-heading, .lead {
    color: #0f0f0f;
}

/* 通常按钮 */
.btn-default,
.btn-default:hover,
.btn-default:focus {
    color: #333;
    text-shadow: none;
    background-image: none;
    border: 1px solid black;
}


/*
 * 框架
 */

html,
body {
    height: 100%;
    background-image: url("../image/background.png");
}

body {
    color: #fff;
    text-align: center;
}

/* 固定 */
.site-wrapper {
    display: table;
    width: 100%;
    height: 100%;
    min-height: 100%;
    -webkit-box-shadow: inset 0 0 100px rgba(0, 0, 0, .5);
    box-shadow: inset 0 0 100px rgba(0, 0, 0, .5);
}

.site-wrapper-inner {
    display: table-cell;
    vertical-align: top;
}

.cover-container {
    margin-right: auto;
    margin-left: auto;
}

/* 边距 */
.inner {
    padding: 30px;
}

/*
 * 覆盖层
 */

.cover {
    padding: 0 20px;
}

.cover .btn-lg {
    padding: 10px 20px;
    font-weight: 700;
}


/*
 * 页脚
 */

.mastfoot {
    color: #999;
    color: rgba(255, 255, 255, .5);
}


/*
 * 自适应页面
 */

@media (min-width: 768px) {
    .masthead {
        position: fixed;
        top: 0;
    }

    .mastfoot {
        position: fixed;
        bottom: 0;
    }

    .site-wrapper-inner {
        vertical-align: middle;
    }

    .masthead,
    .mastfoot,
    .cover-container {
        width: 100%;
    }
}

@media (min-width: 992px) {
    .masthead,
    .mastfoot,
    .cover-container {
        width: 700px;
    }
}